College Algebra / Alg 043 · Atom · ~20 seconds
The Dropped-Absolute-Value Error
Video not yet published
to the StudyWalks catalog
to the StudyWalks catalog
State
The dropped-absolute-value error simplifies √(x²) to x; for negative x that answer has the wrong sign, and the correct value is |x|.
Show
At x = −4, the error returns −4 while √16 is 4. One dropped pair of bars, one flipped sign.
Builds on
- Nothing — this is a starting point.
Unlocks
- Nothing yet depends on this.